Duksbak WF-7 Waterproof Notebook (4.5" x 7") – Field Pattern The Duksbak WF-7 Waterproof Notebook is a durable, field-proven solution designed for structured data capture in demanding environments. Featuring the Field pattern , it provides an organized layout for general surveying notes, measurements, and observations, making it ideal for daily field workflows. Constructed with Duksbak waterproof sheets , this notebook ensures critical data remains legible in rain, mud, and harsh jobsite conditions. The rugged .055 poly cover offers added protection against wear, while the coil-bound spiral binding allows the notebook to lay flat for efficient field use. With 50 waterproof sheets in a compact 4.5" x 7" format, the WF-7 is a reliable choice for surveying, construction, and utility applications. Key Features Field pattern pages for structured data capture and notes Waterproof sheets protect writing in wet conditions 4.5" x 7" format for portable field use Durable .055 poly cover resists wear and jobsite conditions Coil-bound spiral binding for lay-flat usability 50 sheets (100 pages) for field documentation Ideal for surveying, construction, and utility workflows